On Thu, Apr 14, 2022 at 07:25:54PM +0200, Eric Auger wrote:
> Hi Alex,
>
> On 4/7/22 5:00 PM, Alex Bennée wrote:
> > When trying to work out what the virtio-net-tests where doing it was
> > hard because the g_test_trap_subprocess redirects all output to
> > /dev/null. Lift this restriction by using the appropriate flags so you
> > can see something similar to what the vhost-user-blk tests show when
> > running.
> >
> > While we are at it remove the g_test_verbose() check so we always show
> > how the QEMU is run.
> >
> > Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
> > ---
> > tests/qtest/qos-test.c | 7 +++----
> > 1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/tests/qtest/qos-test.c b/tests/qtest/qos-test.c
> > index f97d0a08fd..c6c196cc95 100644
> > --- a/tests/qtest/qos-test.c
> > +++ b/tests/qtest/qos-test.c
> > @@ -89,9 +89,7 @@ static void qos_set_machines_devices_available(void)
> >
> > static void restart_qemu_or_continue(char *path)
> > {
> > - if (g_test_verbose()) {
> > - qos_printf("Run QEMU with: '%s'\n", path);
> > - }
> > + qos_printf("Run QEMU with: '%s'\n", path);
> > /* compares the current command line with the
> > * one previously executed: if they are the same,
> > * don't restart QEMU, if they differ, stop previous
> > @@ -185,7 +183,8 @@ static void run_one_test(const void *arg)
> > static void subprocess_run_one_test(const void *arg)
> > {
> > const gchar *path = arg;
> > - g_test_trap_subprocess(path, 0, 0);
> > + g_test_trap_subprocess(path, 0,
> > + G_TEST_SUBPROCESS_INHERIT_STDOUT |
> > G_TEST_SUBPROCESS_INHERIT_STDERR);
> While workling on libqos/pci tests on aarch64 I also did that but I
> noticed there were a bunch of errors such as:
>
> /aarch64/virt/generic-pcihost/pci-bus-generic/pci-bus/virtio-net-pci/virtio-net/virtio-net-tests/vhost-user/multiqueue:
> qemu-system-aarch64: Failed to set msg fds.
> qemu-system-aarch64: vhost VQ 0 ring restore failed: -22: Invalid
> argument (22)
> qemu-system-aarch64: Failed to set msg fds.
> qemu-system-aarch64: vhost VQ 1 ring restore failed: -22: Invalid
> argument (22)
> qemu-system-aarch64: Failed to set msg fds.
> qemu-system-aarch64: vhost VQ 2 ring restore failed: -22: Invalid
> argument (22)
> qemu-system-aarch64: Failed to set msg fds.
> qemu-system-aarch64: vhost VQ 3 ring restore failed: -22: Invalid
> argument (22)
>
> I see those also when running with x86_64-softmmu/qemu-system-x86_64
> (this is no aarch64 specific).
>
> I don't know if it is an issue to get those additional errors?I see the same errors on /x86_64/pc/i440FX-pcihost/pci-bus-pc/pci-bus/virtio-net-pci/virtio-net/virtio-net-tests/vhost-user/. On the other hand, "make check" is happy (and silent) when run on the command-line. If the CI enables more verbose output then these messages might be diffed and interpreted as failures, but I didn't check the CI scripts. As long as GitLab CI is happy I think it's okay to merge this patch, but it would be interesting to investigate the reason for these messages. Stefan
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